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The writhing number of a space curve

Fuller, F. Brock (1971) The writhing number of a space curve. Proceedings of the National Academy of Sciences of the United States of America, 68 (4). pp. 815-819. ISSN 0027-8424. http://resolver.caltech.edu/CaltechAUTHORS:FULpnas71

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Abstract

A geometric invariant of a space curve, the writhing number, is defined and studied. For the central curve of a twisted cord the writhing number measures the extent to which coiling of the central curve has relieved local twisting of the cord. This study originated in response to questions that arise in the study of supercoiled double-stranded DNA rings.


Item Type:Article
Additional Information:© 1971 by the National Academy of Sciences. Communicated by Max Delbrück, February 8, 1971.
Record Number:CaltechAUTHORS:FULpnas71
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:FULpnas71
Alternative URL:http://www.pnas.org/cgi/content/abstract/68/4/815
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:7499
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:28 Feb 2007
Last Modified:14 Nov 2014 19:19

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